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author | Joshua Peek <josh@joshpeek.com> | 2008-11-22 14:33:00 -0600 |
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committer | Joshua Peek <josh@joshpeek.com> | 2008-11-22 14:33:00 -0600 |
commit | cc67272cba35e50afa73cfec856c1677b204ae7e (patch) | |
tree | 1bdbc4862fe0ea486bf8d2476ab12184e4b71807 /actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb | |
parent | 4b36f76e7a997fb03a6cccb08b8272ddccde5a3e (diff) | |
download | rails-cc67272cba35e50afa73cfec856c1677b204ae7e.tar.gz rails-cc67272cba35e50afa73cfec856c1677b204ae7e.tar.bz2 rails-cc67272cba35e50afa73cfec856c1677b204ae7e.zip |
Vendor rack 0.4.0
Diffstat (limited to 'actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb')
-rw-r--r-- | actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb b/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb new file mode 100644 index 0000000000..6e5e788210 --- /dev/null +++ b/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/session/pool.rb @@ -0,0 +1,73 @@ +# AUTHOR: blink <blinketje@gmail.com>; blink#ruby-lang@irc.freenode.net +# THANKS: +# apeiros, for session id generation, expiry setup, and threadiness +# sergio, threadiness and bugreps + +require 'rack/session/abstract/id' +require 'thread' + +module Rack + module Session + # Rack::Session::Pool provides simple cookie based session management. + # Session data is stored in a hash held by @pool. + # In the context of a multithreaded environment, sessions being + # committed to the pool is done in a merging manner. + # + # Example: + # myapp = MyRackApp.new + # sessioned = Rack::Session::Pool.new(myapp, + # :key => 'rack.session', + # :domain => 'foo.com', + # :path => '/', + # :expire_after => 2592000 + # ) + # Rack::Handler::WEBrick.run sessioned + + class Pool < Abstract::ID + attr_reader :mutex, :pool + DEFAULT_OPTIONS = Abstract::ID::DEFAULT_OPTIONS.dup + + def initialize(app, options={}) + super + @pool = Hash.new + @mutex = Mutex.new + end + + private + + def get_session(env, sid) + session = @mutex.synchronize do + unless sess = @pool[sid] and ((expires = sess[:expire_at]).nil? or expires > Time.now) + @pool.delete_if{|k,v| expiry = v[:expire_at] and expiry < Time.now } + begin + sid = "%08x" % rand(0xffffffff) + end while @pool.has_key?(sid) + end + @pool[sid] ||= {} + end + [sid, session] + end + + def set_session(env, sid) + options = env['rack.session.options'] + expiry = options[:expire_after] && options[:at]+options[:expire_after] + @mutex.synchronize do + old_session = @pool[sid] + old_session[:expire_at] = expiry if expiry + session = old_session.merge(env['rack.session']) + @pool[sid] = session + session.each do |k,v| + next unless old_session.has_key?(k) and v != old_session[k] + warn "session value assignment collision at #{k}: #{old_session[k]} <- #{v}" + end if $DEBUG and env['rack.multithread'] + end + return true + rescue + warn "#{self} is unable to find server." + warn "#{env['rack.session'].inspect} has been lost." + warn $!.inspect + return false + end + end + end +end |